AirHint found the following cheapest return flights from Brussels (BRU) to Lisbon (LIS) in July 2025 (see full year).

Return flights

16 Jul - 18 Jul	Ryanair
16 Jul - 23 Jul	Ryanair
22 Jul - 23 Jul	Ryanair
16 Jul - 17 Jul	Ryanair
16 Jul - 22 Jul	Ryanair
15 Jul - 18 Jul	Ryanair
15 Jul - 17 Jul	Ryanair
21 Jul - 23 Jul	Ryanair
15 Jul - 22 Jul	Ryanair
09 Jul - 11 Jul	Ryanair
30 Jul - 06 Aug	Ryanair
31 Jul - 06 Aug	Ryanair
30 Jul - 04 Aug	Ryanair
29 Jul - 01 Aug	Ryanair
30 Jul - 01 Aug	Ryanair
30 Jul - 08 Aug	Ryanair
30 Jul - 12 Aug	KLM
31 Jul - 04 Aug	Ryanair
29 Jul - 02 Aug	Vueling Airlines
30 Jul - 06 Aug	Ryanair	direct

Also check the deals for one-way flights from Brussels to Lisbon in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Brussels to Lisbon in July from $228

Return flights